Mars Bank is committed to safeguarding your personal and financial information.  Therefore, we continually strive to implement sophisticated technologies to provide you with a positive web and online banking experience with ease of use and a high level of security.

To learn more about online security, read our Online Banking Security Statement

For information about how we use customer data, view our Privacy Notice.

To read about protecting yourself against security issues and get details about retail security issues, click here

Learn more about debit or ATM card security

Mars Bank will never request confidential information through telephone, text, or e-mail solicitations.  Any such requests should be reported immediately to the Bank. Please always protect your personal and confidential information, log-in names and passwords at all times.


myMNB Online BankingIcon For: Online Banking

Enter your User ID to Login
via PC or Laptop

The myMNB App, mobile browser and text banking are now available. Login to online banking and click Account Services - Request - Mobile Banking Enrollment to download the app or enroll in mobile browser or text banking.
For full instructions click here.

Lost ATM/Debit Card

To Report a Lost or Stolen ATM Card or Mars Bank Debit/Check Card, Please call: 1-800-472-3272.

Lost Credit Card

To Report a Lost or Stolen Mars Bank Credit Card, Please call: 1-800-883-0131.

Reorder Checks

Click here to reorder checks.

Consumer Alerts 

Read information about protecting your identity and cybersecurity.

Click here for Consumer Alerts